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The following material is roughly based on the Wikimedia Foundation's Meta:Copyrights page.

All contributions to LiteratePrograms wiki are released into the public domain under the terms of the Creative Commons CC0 1.0 waiver, which permits any kind of use without restriction. There is no need to attribute the author, preserve the license statement, or anything else — simply do with it as you wish. This is critical for LiteratePrograms because many of our code samples are very short and suitable for copy-pasting into the middle of other, larger bodies of code, where even requirements as simple as attribution can prove burdensome.

By clicking "Save page" you are indicating you waive all rights to your contribution under the CC0 waiver. If you do not agree with this, then do not submit your work to this website.

When you download source code, the software will automatically add a license notice and disclaimer to each file that it knows the comment format for. This notice includes a link to the CC0 human-readable code, as well as a permalink to the downloaded version. You may wish to also add this notice to files that the software can't handle.



Because CC0 is the most permissive possible license, releasing all rights whatsoever to a work, this means that contributions to LiteratePrograms can be used in any other project: they can be added to any other wiki or website, embedded in any software project, book, or other creative work, and there are absolutely no requirements to do so (note: some nations have local requirements, such as a requirement of attribution in many European nations, see [1]).

On the other hand, this also means we cannot accept any code that is not also in the public domain. In particular, you cannot add any code released under any free license, other than public domain software licenses such as Unlicense. This includes even very permissive licenses like the MIT/X11 license, BSD license, and so on. You also cannot add text from most other wikis like Wikipedia, Wikisource, and Wikibooks, which use a free license and are not public domain.

If your contribution contains code under any of these licenses, it will be deleted unless you are the copyright holder or can persuade the copyright holder to re-release it under CC0. Sometimes individual contributors to a project will release their own work into the public domain; if you can demonstrate that the material you obtained was written solely by such a person or persons via a change history, it is admissable.

Images and files

All images and other files uploaded directly to LiteratePrograms are released under the the following waiver:

Creative Commons CC-Zero This file is made available under the Creative Commons CC0 1.0 Universal Public Domain Dedication.
The person who associated a work with this deed has dedicated the work to the public domain by waiving all of his or her rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law. You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission.

However, LiteratePrograms can also directly use any media from Wikimedia Commons (using the InstantCommons feature), which may be available under a variety of licenses, some of which may carry additional conditions such as attribution or free licensing of derivative works. Per Commons:Licensing, all of this media is available for commercial use and for modification. It is your responsibility when reusing media listed at LiteratePrograms to click through to the image description page and follow the terms of the license given there.


Certain content on this site relating to the interface and project management is derived from work released under a copyleft license, and so cannot be legally released under CC0. These exceptions are as follows:

  • Interface elements written by or derived from those written by the MediaWiki software developers are released under the GPL.
  • Certain pages are marked explicitly by the site owner as being released under other licenses, such as this page, which is released under the GFDL, as it is based on a Wikimedia Foundation page released under the GFDL.

No other content is excepted, with the possible exception of short quotations as permitted by fair use laws. Any text inserted to the contrary is invalid and void.

Copyright infringements

If you are the owner of copyrighted or freely licensed content that is being used on LiteratePrograms without your permission, then please contact our Designated agent to have it permanently removed. We will, of course, need some evidence to support your claim of ownership.